Make @tailwindcss/node a required peer dependency

README.md

@@ -13,7 +13,7 @@ The official `prettier-plugin-tailwindcss` does not support Latte. This plugin f
 npm install -D prettier-plugin-latte-tailwindcss
 ```
 
-Peer dependencies: `prettier >= 3.0.0`. For class sorting, you also need `@tailwindcss/node >= 4.0.0`.
+Peer dependencies: `prettier >= 3.0.0` and `@tailwindcss/node >= 4.0.0`.
 
 Minimal `.prettierrc`:
 

docs/options.md

@@ -20,8 +20,6 @@ If omitted, the plugin uses a default `@import "tailwindcss"` internally, which
 - You use **custom `@source` directives** or theme presets
 - Your CSS entry point imports additional stylesheets that affect class order
 
-If omitted and `@tailwindcss/node` is not installed, class sorting is disabled entirely (the plugin still formats Latte templates).
-
 ## `tailwindClassRegex`
 
 **Type:** `string` · **Default:** `""` (empty — auto-detect)

package.json

@@ -44,12 +44,8 @@
     "url": "https://github.com/zipper/prettier-plugin-latte-tailwindcss/issues"
   },
   "peerDependencies": {
-    "prettier": ">=3.0.0"
-  },
-  "peerDependenciesMeta": {
-    "@tailwindcss/node": {
-      "optional": true
-    }
+    "prettier": ">=3.0.0",
+    "@tailwindcss/node": ">=4.0.0"
   },
   "devDependencies": {
     "@eslint/js": "^10.0.1",

src/tailwind.ts

@@ -72,7 +72,7 @@ async function doLoad(
   } catch {
     console.warn(
       '[prettier-plugin-latte-tailwindcss] @tailwindcss/node not found — class sorting disabled.\n' +
-        'Install it: npm install --save-dev @tailwindcss/node'
+        'This is a required peer dependency. Install it: npm install --save-dev @tailwindcss/node'
     )
     return null
   }